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LMA2010JC25 Datasheet(PDF) 2 Page - LOGIC Devices Incorporated

Part # LMA2010JC25
Description  16 x 16-bit Multiplier-Accumulator
PDF  7 Pages
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Manufacturer  LODEV [LOGIC Devices Incorporated]
Direct Link  http://www.logicdevices.com
Logo LODEV - LOGIC Devices Incorporated

LMA2010JC25 Datasheet(HTML) 2 Page - LOGIC Devices Incorporated

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DEVICES INCORPORATED
LMA1010/2010
16 x 16-bit Multiplier-Accumulator
Multiplier-Accumulators
08/16/2000–LDS.10/2010-P
2
TABLE 1. PRELOAD TRUTH TABLE
PREL = Preload data to appropriate register
OUT = Register available on output pins
Z
= High impedance state
PREL OEX
OEM
OEL
XTR
MSR LSR
L
L
L
L
OUT
OUT
OUT
L
L
L
H
OUT
OUT
Z
L
L
H
L
OUT
Z
OUT
L
L
H
H
OUT
Z
Z
L
H
L
L
Z
OUT
OUT
L
H
L
H
Z
OUT
Z
L
H
H
L
Z
Z
OUT
LH
H
H
Z
Z
Z
HL
L
L
Z
Z
Z
H
L
L
H
Z
Z
PREL
H
L
H
L
Z
PREL
Z
H
L
H
H
Z
PREL PREL
H
H
L
L
PREL
Z
Z
H
H
L
H
PREL
Z
PREL
H
H
H
L
PREL PREL
Z
H
H
H
H
PREL PREL PREL
FIGURE 1A.INPUT FORMATS
15 14 13
2
1
0
–2
0
(Sign)
2
–1 2–2
2
–13 2–14 2–15
15 14 13
2
1
0
–2
0
(Sign)
2
–1 2–2
2
–13 2–14 2–15
Fractional Two’s Complement (TC = 1)
15 14 13
2
1
0
–2
15
(Sign)
2
14 213
2
2
2
1
2
0
15 14 13
2
1
0
–2
15
(Sign)
2
14 213
2
2
2
1
2
0
Integer Two’s Complement (TC = 1)
15 14 13
2
1
0
2
–1 2–2 2–3
2
–14 2–15 2–16
15 14 13
2
1
0
2
–1 2–2 2–3
2
–14 2–15 2–16
Unsigned Fractional (TC = 0)
15 14 13
2
1
0
2
15 214 213
2
2
2
1
2
0
15 14 13
2
1
0
2
15 214 213
2
2
2
1
2
0
Unsigned Integer (TC = 0)
AIN
BIN
FIGURE 1B.OUTPUT FORMATS
31 30 29
18 17 16
2
1
2
0
2
–1
2
–12 2–13 2–14
34 33 32
–2
4
(Sign)
2
3
2
2
Fractional Two’s Complement
Integer Two’s Complement
Unsigned Fractional
Unsigned Integer
MSR
LSR
31 30 29
18 17 16
2
31 230 229
2
18 217 216
31 30 29
18 17 16
2
–1 2–2 2–3
2
–14 2–15 2–16
31 30 29
18 17 16
2
31 230 229
2
18 217 216
15 14 13
2
1
0
2
–15 2–16 2–17
2
–28 2–29 2–30
XTR
34 33 32
–2
34
(Sign)
2
33
2
32
15 14 13
2
1
0
2
15 214 213
2
2
2
1
2
0
34 33 32
2
2
2
1
2
0
15 14 13
2
1
0
2
–17 2–18 2–19
2
–30 2–31 2–32
34 33 32
2
34
2
33
2
32
15 14 13
2
1
0
2
15 214 213
2
2
2
1
2
0



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